Aplex Technology AHM-6057A User Manual
Page 28

AHM-6XX7A User Manual
28
CLOSE 3-4
COM1 Pin9=+5V
CLOSE 5-6
COM1 Pin9=+12V
CLOSE 7-9
CLOSE 8-10
COM2 FOR RS232 FROM COM2
(default)
CLOSE 9-11
CLOSE 10-12
COM2 FOR RS485/RS422 FROM
COM22
Note:
1. As determined by its hardware design, the board features full-duplex RS485 communication. Like
RS422, a four-wire connection is necessary.
Since COM2 and COM22 use the same address, they cannot work at the same time.
**Optional module: TB-507
TB-507 is a transfer board which concert RS-232 to RS-422 or half duplex RS-485 signal.
This module will be installed at COM2 port.
Please notice that after installed TB-507, the COM2 port will only have RS-422 or half duplex
RS-485 output. And please do not change JCOM setting for COM2.
Jumper setting of TB-507:
11. IDE
(2.0MM 2X22)
IDE connector: the motherboard provides a 44-pin IDE connector for
connection of 2.5' IDE hard disk drivers and supports up to 2 IDE devices.
Signal Name Pin#
Pin#
Signal Name
RESET
1
2
Ground
IDE_PDD7
3
4
IDE_PDD8
IDE_PDD6
5
6
IDE_PDD9
IDE_PDD5
7
8
IDE_PDD10
IDE_PDD4
9
10
IDE_PDD11
IDE_PDD3
11
12
IDE_PDD12
IDE_PDD2
13
14
IDE_PDD13
IDE_PDD1
15
16
IDE_PDD14
IDE_PDD0
17
18
IDE_PDD15